Why are not show You tube Thumbnail Button

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ONE LINE:- Why are not show Youtube Channel thumbnail Button.

Hello Friends, welcome in my article, God you always happy.

Friend's, if you are new in youtube field and create a new channel on youtube, after that make HD video in one or two days, After uploading video, when you click on the Thumbnail button, and thumbnail button does not show on your channel and you become upset. but friend's don't worry. I have solved your problem in this article so please read this carefully.